Ocular torsion: rotations around the "WHY" axis.
D003290:Convergence, Ocular / Q000502:physiology*; D005133:Eye Movements / Q000502:physiology*; D019416:Head Movements / Q000502:physiology*; D006801:Humans; D009801:Oculomotor Muscles / Q000503:physiopathology*; D012399:Rotation; D013285:Strabismus / Q000503:physiopathology*; D014102:Torsion Abnormality / Q000503:physiopathology